ExPLIT Laboratories
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Description
radio-86rk-sdcard
SD-CARD Adapter for Radio-86RC_SRAM
This project is a development of the SD-CARD Adapter project from Vinxru
Changes in the scheme and the PCB
Added LDO Regulator LM1117 3v3
Instead of resistive divisors, HEF4050BT buffer is used
added 26-pin IDC connector for connection module to be paired with Radio-86RC_SRAM
Added 6-pin connector for the programmer
Instead of Atmega8L used MK Atmega328P
Code
https://github.com/andykarpov/radio-86rk-sdcard
Schematic and Layout
https://github.com/andykarpov/radio-86rk-sdcard
May 27,2026
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radio-86rk-sdcard
SD-Card Adapter for Radio-86RK
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Published: May 27,2026
Standard PCB
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BOM(Bill of materials)
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File Last Updated: 2026/05/27 (GMT+8)
File update record
2026-05-2705:01:33
Centroid file is updated.
2026-05-2704:57:34
Centroid file is updated.
2026-05-2704:57:34
Parts List (BOM) is updated.
Only PCB
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