[Internet of Things] Verified Hongmeng HI3861 development board with lithium battery +616752A

Introduction: A terminal module with battery developed and designed based on Hongmeng HI3861 chip

Schematic PCB

B station’s clever Kason version of the walnut shake control panel (base plate)

Introduction: A control board for the smart Kason version of the walnut shaker. It only has a base plate. You need to purchase a Bluetooth module and a 1506 lithium battery (I purchased the Bluetooth module at the risym flagship store for reference). The base plate realizes the speed adjustment function of the walnut shaker, and the The audio solder joints of the Bluetooth module are leaded out for easy connection to speakers.

Schematic PCB

Gateway Bluetooth_CR3L

Introduction: Tuya Bluetooth Gateway

Schematic PCB

K100Pro shell-k375s-pcb

Introduction: Youlian 96 keyboard with printscreen buttons

Schematic PCB

ESP32DUINO

Introduction: A new generation of WIFIduino development board modeled after Arduino. The main control uses ESP32-WROOM-32U.

Schematic PCB

WeChat applet Bluetooth control relay and serial port debugging-full system open source project

Introduction: WeChat applet Bluetooth controls relays, lights and other equipment, Bluetooth serial port debugging assistant and other functions.

Schematic PCB

Intelligent medicine delivery car (Question F)

Introduction: 2021 National College Student Electronic Design Competition National First Prize

Schematic PCB

[Solicitation Order] Portable Clock

Introduction: A low-power portable clock design that connects to a mobile phone via Bluetooth and pushes information

Schematic PCB

Low-cost Bluetooth code scanning payment module

Introduction: Use the Bluetooth scan code payment module of Pay Now, which is used in: scan code payment socket, washing machine scan code payment, various amusement vehicles scan code payment, various engineering vehicles scan code payment, mahjong machine scan code payment, air purifier Scan the QR code to pay, scan the QR code to pay for massage chairs, etc.

Schematic PCB

[Internet of Things] WiFi smart switch +4212724A

Introduction: WiFi remote control based on Hongmeng HiSilicon 3861 chip

Schematic PCB

CH579 USB/BLE dual-mode keyboard compatible with CIY68

Introduction: CH579 USB+BLE dual-mode keyboard, with lithium battery and sleep mode, RGB, PCBA compatible with CIY68 axis tester kit;

Schematic PCB

Chen Xiangjun

Introduction: Assignment 1

Schematic PCB

ESP32-S3 development board

Introduction: Just an ESP32-S3 development board

Schematic PCB

2021 Question A-Signal distortion measurement device

Introduction: 2021 A-level National Secondary Examination

Schematic PCB

Xiaomi_IoT DBS Xiaomi switch

Introduction: Xiaomi switch, supports Mijia direct connection, no programming required

Schematic PCB

LoRa2BLE

Introduction: LoRa digital radio transmits and receives messages via Bluetooth link to mobile phones. It is intended to be a small tool for text chatting without the Internet.

Schematic PCB

DSP: Mountain View BP1048B1

Introduction: Mountain View BP1048B1 DSP chip

Schematic PCB

[Internet of Things] Hongmeng Internet of Things Smart WiFi Smart Switch +4212547A

Introduction: This project uses Hongmeng Hi3861 chip combined with aircraft to achieve physical wifi remote control at home or dormitory

Schematic PCB

[Solicitation Order] ESP32 Bluetooth FM Speaker

Introduction: Use Anxinke ESP32-S development version to receive Bluetooth, output the I2S signal to UDA1334 for decoding, and the audio signal switches the ESP32-S Bluetooth, FM, and AUX audio sources to PAM8406 through the CD4052 switch.

Schematic PCB

2.4G Yagi Antenna

Introduction: Improved based on the existing antenna on the forum, the original antenna is connected to https://oshwhub.com/kxxxxc/yagi_ant

Schematic PCB