2 layers73.9 × 69.9 mm
8051 Transmitter End
D-curs-D/8051_Serial_Comm
8051 based serial communication. The PCB Design was done on KiCAD, the simulations were done using proteus and code on keil studios.
26 parts1
2 layers59.7 × 94.6 mm
AT89S52 dev board
SteveLRojas/AT89S52_dev_boardSimple development board for AT89S52 microcontrollers
- Size
- 59.7 × 94.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 51
- Pads
- 233
- Tracks, vias
- 386, 8
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 17 Dec 2022
- Updated
- 20 Sep 2025
Overview
AT89S52 dev board is an open-source printed circuit board by SteveLRojas, from the SteveLRojas/AT89S52_dev_board repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 2-layer board of 59.7 × 94.6 mm with 26 parts on 51 nets, routed with 386 tracks and 8 vias.
It is built around the AT89S52-24PU and CH340G. Its parts include 10 capacitors, 8 connectors, 2 resistors, 2 ICs and 2 crystals. It belongs with the microcontroller boards boards and the 8051 (CH55x, STC, AT89) boards of this library.
Main components
2
AT89S52-24PU
DIP-40-40℃~+85℃ 24MHz 256Byte 32 4V~5.5V 51 Family 8 Bit 8KB Built-in FLASH DIP-40 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
CH340G
SOP-16-40℃~+85℃ 2Mbps 3.3V、5V USB 2.0 USB to UART SOP-16 USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
README
README.mdAT89S52_dev_board
Simple development board for AT89S52 microcontrollers
Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | C | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C4, C5, C6, C7, C8, C9, C10 |
| 6 | Conn_01x20 | Connector_PinHeader_2.54mm:PinHeader_1x20_P2.54mm_Vertical | J1, J2, J3, J4, J5, J6 |
| 2 | Crystal | Crystal:Crystal_HC49-U_Vertical | Y1, Y2 |
| 2 | R | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 1 | AT89S52-24PU | SamacSys_Parts:DIP1556W56P254L5232H483Q40N | IC1 |
| 1 | CH340G | Package_SO:SOP-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | Conn_02x05_Odd_Even | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J7 |
| 1 | R_Network08 | Resistor_THT:R_Array_SIP9 | RN1 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | USB_B | Connector_USB:USB_B_OST_USB-B1HSxx_Horizontal | J8 |
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Questions
How big is the AT89S52 dev board PCB?
It measures 59.7 × 94.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the AT89S52 dev board use?
26 parts, built around the AT89S52-24PU and CH340G. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the AT89S52 dev board KiCad files?
From the SteveLRojas/AT89S52_dev_board repository on GitHub, at the commit this page was made from: the board is AT89S52_dev_board.kicad_pcb and its schematic AT89S52_dev_board.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the AT89S52 dev board design in my own project?
Its repository publishes it under the CERN-OHL-P-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).