CC2530 streamlined core board 26x26mm

Introduction: According to @aifairytale’s open source CC2530, the core board has not been modified yet.

Schematic PCB

【Smart Car】Thomas small car 1094966A

Introduction: The car control panel uses ATMEGA 328P master control. The control method uses the NRF24L01P 2.4G communication module to connect to the remote control. It can also be controlled using the E103-W01 module network communication.

Schematic PCB

USB power meter WeChat version

Introduction: It is characterized by simplicity and low cost. You can just use the WeChat applet to receive it. No Bluetooth connection is required, but Bluetooth reception needs to be turned on. (This is the first time this application has been launched on the Internet, that’s what I’m saying)

Schematic PCB

colorful night light

Introduction: A small night light with no special functions, just color changing and adjustable brightness. But it looks like an Android robot (the appearance is unique in the world).

Iris Cube->Soviet [NFC light board] with its own BGM

Introduction: The moment S Olin's eyes light up, anyone who does not automatically hear the sound of Unbreakable Alliance in his head will be sent to the Lubyanka

Schematic PCB

AD834 four-quadrant multiplier

Introduction: AD834 500MHz bandwidth four-quadrant multiplier

Schematic PCB

I have never seen a new version of the ship nodemcu

Introduction: Ships a new version of nodemcu, at least not found in the open source community

Schematic PCB

esp12s compatible PCB

Introduction: Open source testing, the schematic diagram adopts official modifications, please test it with experts, you will be rewarded for testing, contact information: QQ2675653184

Schematic PCB

XianWill emcu D2 (new concept wemos)

Introduction: I think it’s time to go modular. Is there still a situation where SPIflash is not enough? Grab An Xinke’s job www

Schematic PCB

2.4g mutual transmission remote control

Introduction: A platform for developing 2.4G wireless remote control systems

Schematic PCB

SlimeVR

Introduction: [Unverified] SlimeVR module powered by 18650

Schematic PCB

esp32 core board, physical product has been verified

Introduction: Improved with reference to Anxinke’s official NodeMCU-32S Lua WiFi IoT development board

Schematic PCB

8266 core board

Introduction: Today, Essence 8266 for 1 yuan is very good, but many friends may not be able to buy it or are too lazy to draw the board, so I drew this core board that is compatible with esp12f 12s 07s. The resistors and capacitors are compatible with direct plug-in 0805 0603 , no USB

Schematic PCB

ExpressLRS reception by jyesmith

Introduction: Porting jyesmith's documents, all rights belong to the original author, I just ported them

Schematic PCB

K375s-small keyboard

Introduction: Youlian K375s Kaihua hot-swappable keypad

Schematic PCB

[I'm stupid] Wireless PPM decryption dog - based on Lolisan and ATmega32u4

Introduction: This project is a USB wireless decryption dog based on ATMEGA32u4-au and Loli third-generation PPM receiver

Schematic PCB

[Successful] NFC-based PCB business card

Introduction: This project is a solution verification business card based on NXP's NT3H1101W0FHKH nfc chip.

Schematic PCB

Open source four-axis remote control

Introduction: A four-axis remote control based on the open source four-axis version of RoboFly.

Schematic PCB

Open Source Quadcopter

Introduction: A quadcopter based on RoboFly open source quadcopter

Schematic PCB

Logitech 613 expansion board

Introduction: The board is ready and the basic functions are normal. The hub tested and slept for five minutes. Several matrices did not trigger. It may be a soldering problem on my part. The Bluetooth blue cannot be turned on. It may also be a soldering problem. Several packages were not selected correctly, the dimensions were wrong, and the soldering failed. All problems will be improved in the next version.

Schematic PCB