Esp8266-flexpower
About the Esp8266-flexpower PCB
Esp8266-flexpower is an open source ESP8266 PCB design by marmbrus, published on GitHub. It is a 4-layer board measuring 70 × 62 mm, with 105 components from 46 distinct parts.
Its main chip is the ESP-12F, from the ESP8266 family. Other key parts include the TPS63070RNMR, USBLC6-2SC6, CH340C, LM339 and 2061-602/998-404. By type, the board carries 44 resistors, 27 capacitors, 9 ICs, 8 diodes, 4 transistors and 3 connectors.
Main components on the Esp8266-flexpower
Esp8266-flexpower bill of materials (BOM)
105 components, 46 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TPS63070RNMR | VQFN-HR-15_L3.0-W2.5-P0.50-BL_TPS63070RNMR | U1 |
| 1 | USBLC6-2SC6 | SOT-23-6 | U2 |
| 1 | CH340C | SOIC-16_3.9x9.9mm_P1.27mm | U3 |
| 1 | ESP-12F | ESP-12E | U4 |
| 1 | LM339 | SOIC-14_3.9x8.7mm_P1.27mm | U5 |
| 1 | 2061-602/998-404 | CONN-SMD_2061-602-998-404 | U6 |
| 1 | SPX3940AM3-L-3-3 SPX3940AM3-L-3-3/TR | SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR | U7 |
| 1 | AMS1117-5.0_C347223 | SOT-223_L6.7-W3.5-P2.30-BR | U8 |
| 1 | C144394 B3B-XH-A(LF)(SN) | CONN-TH_3P-P2.50_A2501WV2-3P | U9 |
| 2 | 2N7002 | SOT-23 | Q1, Q4 |
| 2 | MMBT3904 | SOT-23 | Q2, Q3 |
| 3 | C160390 BM04B-SRSS-TB(LF)(SN) | CONN-SMD_BM04B-SRSS-TB | CN1, CN2, CN3 |
| 2 | C2924939 2A | Fuse_1206_3216Metric | F1, F2 |
| 2 | JP1 | SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP1, JP2 |
| 2 | LM73100RPWR | VQFN-10_L2.0-W2.0-P0.45-TL | Protect1, Protect2 |
| 2 | B3U-1000P | KEY-SMD_B3U-1000PM | SW1, SW2 |
| 1 | C404969 MICROXNJ | MICRO-USB-SMD_MICROXNJ | USB1 |
| 2 | 1.8V | SOD-123_L2.7-W1.6-LS3.7-RD | D1, D7 |
| 6 | LED | LED_0603_1608Metric | D2, D3, D4, D5, D6, D8 |
| 1 | 1UH 1uH | L_Coilcraft_XAL4020-XXX | L1 |
Show 26 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | 1UF 1uf | C_0603_1608Metric | C1, C3, C19, C21 |
| 2 | 2.7NF 2.7nf | C_0603_1608Metric | C2, C20 |
| 2 | 10UF 10uf | C_0805_2012Metric | C4, C5 |
| 7 | 10UF 10uf | C_0603_1608Metric | C6, C8, C13, C17, C23, C25, C26 |
| 5 | 100NF 100nf | C_0603_1608Metric | C7, C12, C14, C15, C18 |
| 3 | 22UF 22uf | C_0805_2012Metric | C9, C10, C11 |
| 1 | 470PF 470pf | C_0603_1608Metric | C16 |
| 1 | 6.8UF 6.8uf | C_0603_1608Metric | C22 |
| 1 | 0.1UF 0.1uf | C_0603_1608Metric | C24 |
| 1 | 47UF 47uf | C_0603_1608Metric | C27 |
| 4 | 470K 470k | R_0603_1608Metric | R1, R4, R38, R41 |
| 2 | 196K 196k | R_0603_1608Metric | R2, R39 |
| 2 | 54.9K 54.9k | R_0603_1608Metric | R3, R40 |
| 2 | 4120 | R_0603_1608Metric | R5, R42 |
| 2 | 249K 249k | R_0603_1608Metric | R6, R43 |
| 9 | 10K 10k | R_0603_1608Metric | R7, R9, R12, R18, R19, R20, R21, R22 +1 |
| 6 | 150 | R_0603_1608Metric | R8, R26, R29, R32, R35, R45 |
| 1 | 332K 332k | R_0603_1608Metric | R10 |
| 1 | 51K 51k | R_0603_1608Metric | R11 |
| 2 | 470 | R_0603_1608Metric | R14, R15 |
| 3 | 12K 12k | R_0603_1608Metric | R16, R17, R30 |
| 3 | 4.7K 4.7k | R_0603_1608Metric | R23, R24, R25 |
| 1 | 5.6K 5.6k | R_0603_1608Metric | R27 |
| 4 | 1k | R_0603_1608Metric | R28, R31, R34, R37 |
| 1 | 68K 68k | R_0603_1608Metric | R33 |
| 1 | 680K 680k | R_0603_1608Metric | R36 |
Esp8266-flexpower design files
The KiCad project lives in the marmbrus/circuits repository on GitHub; these links point at the commit this page was built from.
Esp8266-flexpower: common questions
What microcontroller does the Esp8266-flexpower use?
The Esp8266-flexpower is built around the ESP-12F, from the ESP8266 family.
How big is the Esp8266-flexpower PCB?
The Esp8266-flexpower measures 70 × 62 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Esp8266-flexpower?
105 components, from 46 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 Esp8266-flexpower design files?
From the marmbrus/circuits 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 Esp8266-flexpower design in my own project?
The repository has no license, so all rights stay with marmbrus. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Esp8266-flexpower without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.
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