Atfprog hardware

roscopeco·atfprog-hardware·ATF15xxProgBoard/ATF15xxProgBoard.kicad_pcb

Atfprog hardware PCB layout, top view — open source board by roscopeco

About the Atfprog hardware PCB

Atfprog hardware is an open source PCB design by roscopeco, published on GitHub under the GPL-2.0 license. It is a 4-layer board measuring 71.1 × 96.2 mm, with 29 components from 22 distinct parts.

Other key parts include the MT3540 and AP2127K-3.3. By type, the board carries 7 capacitors, 6 resistors, 5 connectors, 4 ICs, 3 LEDs and 2 jumpers.

It belongs with the usb & debug tools designs in this gallery.

From the project

Hardware & firmware for the ATF150x programmer board

Made non-proprietary and released to open-source with the licenses outlined in LICENSE.md and LICENSE.hardware, under my authority on April 23rd 2025.

Main components on the Atfprog hardware

MT3540 AP2127K-3.3

Atfprog hardware bill of materials (BOM)

29 components, 22 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	~	PLCC-44_THT-Socket	U1
1	~	PLCC-84_THT-Socket	U2
1	MT3540	SOT-23-5	U4
1	AP2127K-3.3	SOT-23-5	U5
1	Conn_02x05_Odd_Even	IDC-Header_2x05_P2.54mm_Vertical	J1
1	Conn_02x07_Odd_Even	IDC-Header_2x07_P2.54mm_Vertical	J2
2	Conn_02x16_Counter_Clockwise	PinHeader_2x16_P2.54mm_Vertical	J6, J7
1	Conn_02x03_Odd_Even	PinHeader_2x05_P2.54mm_Vertical	J8
1	Jumper_2_Bridged	PinHeader_1x02_P2.54mm_Vertical	JP1
1	Voltage	PinHeader_1x03_P2.54mm_Vertical	JP2
1	C72043 RED	LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder	LED1
1	C72043 GREEN	LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder	LED2
1	C72038 ORANGE	LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder	LED3
1	1N4148	D_SOD-123	D1
1	4.7UH 4.7uH	L_0805_2012Metric_Pad1.05x1.20mm_HandSolder	L1
2	10U 10u	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C1, C2
3	100N 100n	C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C3, C4, C5
2	4.7U 4.7u	C_0603_1608Metric	C10, C11
3	2K	R_0603_1608Metric	R1, R3, R9
1	100K	R_0603_1608Metric	R10

Show 2 more

Qty	Part	Footprint	Refs
1	10K	R_0603_1608Metric	R11
1	2.2K	R_0603_1608Metric	R12

Atfprog hardware design files

The KiCad project lives in the roscopeco/atfprog-hardware repository on GitHub; these links point at the commit this page was built from.

Atfprog hardware: common questions

How big is the Atfprog hardware PCB?

The Atfprog hardware measures 71.1 × 96.2 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Atfprog hardware?

29 components, from 22 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Atfprog hardware design files?

From the roscopeco/atfprog-hardware repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Atfprog hardware design in my own project?

Yes, under the terms of its GPL-2.0 license, which roscopeco chose for the repository.

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