8A8K core module (with automatic download)

Introduction: This system board is controlled by STC8A8K64S4A12 microcontroller. CH340n is the smallest system board for downloading chips and has automatic downloading function.

Schematic PCB

Bicycle flash light strip

Introduction: A small size double-sided LED display module based on 74hc595D and uln2003A

Schematic PCB

16*16 dot matrix screen

Introduction: Laowang’s 1588AS dot matrix screen is equipped with 4 74hc595 cascades, only 3 IOs, and is easy to splice.

Schematic PCB

stm32f401ccu6 development board supports mechanical keyboard use

Introduction: stmf401 sharing development board supports Unilink k375s compatible cable

Schematic PCB

32U4 keyboard-Kawvin_KB1002_V1.2

Introduction: 100 keys + 2 knob keyboard, 4 split options for spaces, 2 knobs can be changed into two normal knobs, hot swappable, LED3528 reverse sticker light, zuoer68 modified shell solution, VIA, two lighting effect firmware

Schematic PCB

Remote vibration sensing device ver1.0 based on STC15W204S

Introduction: A wearable hardware solution that provides tactile communication for simple communication in special scenarios where there is loss of hearing and vision and requires no light.

Schematic PCB

Ammeter

Introduction: Voltage and ammeter

Schematic PCB

QS-30 four-digit Nixie tube clock

Introduction: Four-digit QS-30 Nixie tube clock design to reduce costs as much as possible

Schematic PCB

STM32_OLED_NANO---0.91 inch OLED pendant

Introduction: To put it bluntly, it is the smallest system board with OLED, powered by a lithium battery.

Schematic PCB

Nikola - 8 Layer PC Board - Not Verified

Introduction: Unverified-Nicholas Nikola-8-layer PC board for high-speed learning

Schematic PCB

MOBILE-AI-phone

Introduction: MOBILE-AI-phone, 6-layer high-speed mobile phone board

Schematic PCB

HX710 High Precision Voltage Meter

Introduction: HX710 makes a cheap high-precision voltmeter

Schematic PCB

STC15F2K60S2 minimum system board schematic diagram

Introduction: The smallest system board based on the simple stc15f2k60s2, equipped with a reset button, external interrupt button, user light, etc.

Schematic PCB

STC32G12K128 minimum system

Introduction: STC32G12K128 is the smallest system. The microcontroller is independently powered, all IOs are fan-out, USB direct connection download, comes with 3 sets of buttons + 2 sets of LEDs for easy debugging, and comes with a second 3v3 channel for debugging.

Schematic PCB

Webcam voice car

Introduction: Controlling the car through the voice of the camera, a failed project

Schematic PCB

jidianqi

Introduction: efsef

Schematic PCB

asdasdas

Introduction: sadasfasdasds

Schematic PCB

K thermocouple reader

Introduction: K-type thermocouple cold junction compensation and temperature and voltage display

Schematic PCB

[Verified] Arduino O development board

Introduction: Based on Atmega328P, integrated I2C interface 12864OLED and buttons.

Schematic PCB

Simple TSOP48 programming socket for RT809H programmer

Introduction: Simple TSOP48 programming socket suitable for RT809H programmer