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Table of Contents
- 1 Gerson 93974 - AAA Battery Replacement Power Supply (93974)
- 2 HiLetgo 3pcs RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi
- 3 HiLetgo RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi
- 4 Freenove Ultimate Starter Kit for Raspberry Pi Pico W (Included) (Compatible with Arduino IDE), 687-Page Detailed Tutorial, 224 Items, 112 Projects, Python C Java Code
- 5 DAOKI Uno R3 Case Enclosure New Transparent Gloss Acrylic Computer Box Compatible with Arduino UNO R3
- 6 Bigtreetech Direct Octopus V1.1 Control Board 32Bit Silent Motherboard 8 Stepper Drivers Support Running Klipper and Marlin 3D Printer
- 7 ELECTOP SD to SD Card Extension Cable SD Extender Adapter Flexible Memory Card SDHC of 4/8/16/32/64GB Compatible with SanDisk SDXC,Kindle,3D Printer,Raspberry Pi,Arduino GPS,TV SDHC(SD to SD)
- 8 2Pack L298N Motor Drive Controller Board Module Dual H Bridge DC Stepper Compatible with Ar-duino Electric Projects, Smart Car Robot
- 9 Stemedu RC522 RFID Reader Writer Module RF IC Card Sensor with S50 White Card + Writable Key Ring for Arduino for Raspberry Pi Nano NodeMCU (Pack of 2sets)
- 10 RUISHAN Lab Precision Analytical Balance 2000 x 0.01g | 4.4x0.00002 lb | Electronic Weighing Scale Scientific Scale Centigram Scale, Calibrated Scale | 01 Gram Scale for Chemistry, Labs, Jewelry
Gerson 93974 - AAA Battery Replacement Power Supply (93974)
- 93974
- One Per Order
- Five Connectors
- Fifteen Battery Planks Included
HiLetgo 3pcs RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi
- The MF522-AN module design the circuit of card read by using the original Philips MFRC522 chip.
- Easy to use, low cost, and applicable to equipment development and card reader development etc.
- Applicable for the user who need to design or manufacture the RF card terminal.
- The module can be directly loaded into the various reader molds.
- The module use a voltage of 3.3V, it can connected communication with user's any CPU mainboard through several lines of SPI interface, it can ensure stable and reliable work, and reader distance.
HiLetgo RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi
- The MF522-AN module design the circuit of card read by using the original Philips MFRC522 chip.
- Easy to use, low cost, and applicable to equipment development and card reader development etc.
- Applicable for the user who need to design or manufacture the RF card terminal.
- The module can be directly loaded into the various reader molds.
- The module use a voltage of 3.3V, it can connected communication with user's any CPU mainboard through several lines of SPI interface, it can ensure stable and reliable work, and reader distance.
Freenove Ultimate Starter Kit for Raspberry Pi Pico W (Included) (Compatible with Arduino IDE), 687-Page Detailed Tutorial, 224 Items, 112 Projects, Python C Java Code
- 3 tutorials -> MicroPython, C and Processing (Java).
- 687-page detailed tutorial (including basic electronics knowledge) -> The download link can be found on the product box. (No paper tutorial.)
- 224 items for 112 interesting projects -> Each project has circuit diagrams and verified code with detailed explanations.
- Raspberry Pi Pico W -> A tiny, fast, and versatile board built using dual-core processor with wireless LAN. (Included in this kit.)
- Get support -> Our technical support team is always ready to answer your questions.
DAOKI Uno R3 Case Enclosure New Transparent Gloss Acrylic Computer Box Compatible with Arduino UNO R3
- With EN instructions.
- Weight: 53g
- Dimensions: 79.5 x 64.5 x 21mm
- Material: A grade acrylic sheet
- For Arduino UNO R3 Development Board only
Bigtreetech Direct Octopus V1.1 Control Board 32Bit Silent Motherboard 8 Stepper Drivers Support Running Klipper and Marlin 3D Printer
- 🐙【Main Control Chip】: BIGTREETECH Octopus V1.1 motherboard adoptes ARM Cortex-M4 series STM32F446ZET6 32-bit microcontroller at 180MHz with 512Kb flash ROM. Notice: Input voltage only supports 24V, 12V is not allowed.
- 🐙【CAN BUS】BTT Octopus control board supports CAN Bus connectivity using an ethernet connector. This CAN Bus connection allows to expand control board with other expansion boards very easily.
- 🐙【6 PWM Fans Plus 2 】The Octopus Mainboard offers up to 6 controllable PWM fans and additional 2 without control with the possibility of voltage selection from 5V, 12V or 24V.The BTT Octopus also has 8 sockets for drivers, making it an ideal electronics for demanding machines.
- 🐙【Supports Klipper/Marlin】BTT Octopus supports running Klipper and Marlin.Supports firmware update by USB (recommended) and DFU mode(advanced users). Updating via DFU mode is to send firmware to the board directly from PC with no need for bootloader, which is not recommended for novice users.
- 🐙【Online/ Offline printing】Supports “print from SD card” and “print via USB OTG” using the integrated USB-A port. USB-C interface supports an emulated serial port that allows printing via USB.If you need any help regarding BTT Octopus V1.1 control board, please feel free to contact us via Amazon message. We have professional tech supports online to take care of your problems.
ELECTOP SD to SD Card Extension Cable SD Extender Adapter Flexible Memory Card SDHC of 4/8/16/32/64GB Compatible with SanDisk SDXC,Kindle,3D Printer,Raspberry Pi,Arduino GPS,TV SDHC(SD to SD)
- Extension Available: The cable is 46cm in White and 44cm in Black ,make it possible that you extend the card slot out of computer desk or car navigation to the place which is easy to use.No need to worry about the some difficulties in insert the SD Card to update maps or copy files.
- Quickly Recognized: This SD extension cables would allows the SD cable extender for card to be recognized SD extension quickly.And the read speed will not changed,make quick information recognition reliable.
- Wide-range of Compatibility - Designed for GPS,3D Printer,Raspberry Pi,TV,,SanDisk SDHC / SanDisk SDXC /Arduino / DVD / DVR / LED / LCD screen or Smartphone etc.
- How to install : Insert SD card in the SD slot of your device ,and connect the other port to SD reader, which convert SD card information to be display in SD reader. SD extension ribbon cable recognize cards larger than 32GB(128MB TO 64GB) easily.
- Need to Know Before Purchase : If you do not plug the extend card out from SD card reader ,you need to restart the device for information updated when the next tine use.The SD Extension Cable Card Read doesn't support hot-plugging.
2Pack L298N Motor Drive Controller Board Module Dual H Bridge DC Stepper Compatible with Ar-duino Electric Projects, Smart Car Robot
- Dual-channel H-bridge driver working mode creates higher working efficiency,L298N as main chip, Can drive one 2-phase stepper motor, one 4-phase stepper motor or two DC motors.
- To avoid damage the voltage stabilizing chip, please use an external 5V logic supply when using more than 12V driving voltage.
- Use large-capacity filter capacitors and diode with freewheeling protection function, increasing reliability.
- High working power to 46v,large current can reach 3A MAX and continue current is 2A, power to 25w.
- Large capacity filter capacitance,afterflow protection diode, more stable and reliable.
Stemedu RC522 RFID Reader Writer Module RF IC Card Sensor with S50 White Card + Writable Key Ring for Arduino for Raspberry Pi Nano NodeMCU (Pack of 2sets)
- 🚩 MF RC522 is a high-integration RFID card reader chip used in 13.56MHz contactless communication
- 🚩 Low voltage, low cost, small size contactless card reader MF RC522 chip
- 🚩 MFRC522 supports MIFARE series higher-speed contactless communication, bidirectional data transmission rate up to 424kbit/s
- 🚩 RFID RC522 Module is a better choice for the development of smart meters and portable handheld devices
- 🚩 Supported card types: mifare1 S50, mifare1 S70 MIFARE Ultralight, mifare Pro, MIFARE DESFire
RUISHAN Lab Precision Analytical Balance 2000 x 0.01g | 4.4x0.00002 lb | Electronic Weighing Scale Scientific Scale Centigram Scale, Calibrated Scale | 01 Gram Scale for Chemistry, Labs, Jewelry
- ✔FAST ACCURATE RESPONSE SAVES YOU TIME AND MONEY: To ensure to get the results quickly and accurately. The lab precision analytical balance scale is equipped with an upgraded high-sensitivity build-in sensor, Designed to give you more accurate results in your lab, business or at-home workspace. Scientific scales can measure results in seconds or less. The built-in counting function can total multiple pieces automatically potentially saving you time and money tallying inventory and other items.
- ✔The 01g scale's 170X170mm large stainless steel weighing square pan can hold chemicals, powders, herbs, jewelry, precious metals, tickets, coins and other small items. Easy conversions between grams (g), ounces (oz), carats (ct) and pounds (lb) make the scale ideal for scientific laboratories, schools and universities, businesses, jewelers, and more. which can fulfill your different needs.
- ✔HIGH ACCURACY PRECISION: The electronic weighing scale has a high, 0.01g precision. To ensure accuracy, the gram scale features a built-in level; adjustable leveling feet; an overload alarm; error indication; and external calibration. Preheating time: 5-30 mins,Stabilization time: ≤5s,Linearity error: ±0.03g. The balance also has a large, easy-to-read high-definition LED display.
- ✔LAB QUALITY MATERIALS: The digital precision scale is built from lab-quality materials to give you accurate readings year after year. The lab scale has a strong strain gauge sensor; a stainless steel weighing pan; and a durable ABS body. Every balance is calibrated, tested and inspected before it is shipped to our customers.
- ✔We take quality seriously and back all our instruments with 30-day returns and 1 year warranties. Our products also come with detailed user instructions and access to our knowledgeable customer support. ⚠NOTICE: With RS232 interface, Does not contain RS232 data line. Calibration weights are included in the package. Does not include batteries.
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Last update 2021-09-03. Price and product availability may change.