6xUSB PowMet
About the 6xUSB PowMet PCB
6xUSB PowMet is an open source ESP8266 PCB design by aleksejm, published on GitHub. It is a 2-layer board measuring 92.3 × 69 mm, with 161 components from 72 distinct parts.
Its main chip is the ESP-12, from the ESP8266 family. Other key parts include the ATMEGA32-M, FE1.1s, 24LC02, AP1117E33 and LM4040. By type, the board carries 51 resistors, 45 capacitors, 14 ICs, 13 connectors, 9 transistors and 8 LEDs.
From the project
6 USB port Power Meter
Main components on the 6xUSB PowMet
6xUSB PowMet bill of materials (BOM)
161 components, 72 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATMEGA32-M | TQFP-44_10x10mm_Pitch0.8mm | IC1 |
| 1 | ESP-12 | ESP-12_mod | U1 |
| 1 | FE1.1s | TSSOP-28_4.4x9.7mm_Pitch0.65mm | U2 |
| 1 | 24LC02 | SOIC-8_3.9x4.9mm_Pitch1.27mm | U3 |
| 1 | AP1117E33 | SOT-223 | U4 |
| 1 | LM4040 | SOT-23 | U5 |
| 1 | LM3150 | SSOP-14_5.3x6.2mm_Pitch0.65mm | U6 |
| 6 | LT6106 | SOT-23-5 | U7, U9, U10, U11, U12, U13 |
| 1 | LTC4412 | SOT-23-6 | U8 |
| 1 | CSD17577Q5A | AB2_SON5x6_FET | Q1 |
| 1 | CSD16342Q5A | AB2_SON5x6_FET | Q2 |
| 6 | IRLML6401 | SOT-23 | Q3, Q5, Q6, Q7, Q8, Q9 |
| 1 | IRFR5305PBF | TO-252-2Lead | Q4 |
| 1 | 16MHz | Crystal_SMD_2016-4pin_2.0x1.6mm | Y1 |
| 1 | 12Mhz | Crystal_SMD_HC49-SD | Y2 |
| 1 | JACK | JACK_ALIM | CON2 |
| 1 | Conn_01x07 | Molex_SPOX-5267_22-03-5075_07x2.54mm_Straight | J1 |
| 1 | Conn_01x02 | Molex_SPOX-5267_22-03-5025_02x2.54mm_Straight | J2 |
| 1 | Conn_01x06 | Molex_SPOX-5267_22-03-5065_06x2.54mm_Straight | J3 |
| 1 | USB_B | USB_B | P1 |
Show 52 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | CONN_02X04 | Socket_Strip_Straight_2x04 | P2, P4 |
| 6 | USB_A | USB_A_Vertical | P3, P5, P6, P7, P8, P9 |
| 1 | 500mA | Fuse_SMD1206_HandSoldering | F1 |
| 6 | F_Small | Fuse_SMD1206_Wave | F2, F3, F4, F5, F6, F7 |
| 1 | Reset | SMT-JUMPER_2_NO_SILK | JP1 |
| 1 | Reset | SW_SPST_B3U-1000P | SW1 |
| 1 | 3.3V | TEST-SMD-SMALL | TP1 |
| 1 | 4.096V | TEST-SMD-SMALL | TP2 |
| 1 | P4 | LED_0805 | LED1 |
| 1 | P2 | LED_0805 | LED2 |
| 1 | P3 | LED_0805 | LED3 |
| 1 | P1 | LED_0805 | LED4 |
| 1 | U_PW | LED_D5.0mm | LED5 |
| 1 | DC_PW | LED_D5.0mm | LED6 |
| 1 | ST_USB | LED_D5.0mm | LED7 |
| 1 | ST_DC | LED_D5.0mm | LED8 |
| 1 | CD1206-S01575 | D_1206 | D1 |
| 1 | MC Stat | LED_0603 | D2 |
| 1 | Act | LED_0805 | D3 |
| 1 | SKL14 | D_SOD-123F | D4 |
| 1 | SK2030YD2 | TO-263-2 | D5 |
| 1 | 10uH | Inductor_1212 | L1 |
| 1 | 100Mhz 470ohm | R_0805_HandSoldering | L2 |
| 1 | 2.2uH | SELF-WE-PD-XXL | L3 |
| 1 | 1n | C_0805 | C1 |
| 5 | 100n | C_0805 | C2, C3, C8, C21, C23 |
| 2 | 22pF | C_0603 | C4, C5 |
| 2 | 18pF | C_0805 | C6, C7 |
| 1 | 10nF | C_0805 | C9 |
| 1 | 100uF | C_0805 | C10 |
| 3 | 0.1uF | C_0603 | C11, C12, C14 |
| 8 | 10uF | C_0805 | C13, C15, C27, C41, C42, C43, C44, C45 |
| 2 | 22uF | C_1206 | C16, C17 |
| 9 | 100nF | C_0805 | C18, C19, C24, C29, C32, C37, C38, C39 +1 |
| 1 | 15nF | C_0805 | C20 |
| 6 | 1nF | C_0805 | C22, C31, C33, C34, C35, C36 |
| 1 | 470nF | C_0805 | C25 |
| 1 | 1uF | C_0805 | C26 |
| 1 | 470pF | C_0805 | C28 |
| 1 | 220uF | c_elec_6.3x7.7 | C30 |
| 14 | 10K | R_0805 | R1, R3, R4, R6, R7, R8, R10, R12 +6 |
| 1 | 15K | R_0805 | R2 |
| 9 | 470 | R_0805 | R5, R11, R18, R19, R21, R22, R34, R50 +1 |
| 1 | 2.7K | R_0805 | R9 |
| 4 | 100K | R_0805 | R13, R14, R17, R23 |
| 1 | 100 | R_0805 | R24 |
| 6 | 1K | R_0805 | R25, R35, R37, R38, R39, R40 |
| 6 | 100R | R_0805 | R26, R36, R42, R43, R44, R45 |
| 1 | 1K07 | R_0805 | R27 |
| 6 | 0.02R | R_1206 | R29, R41, R46, R47, R48, R49 |
| 1 | 73K2 | R_0805 | R31 |
| 1 | 470K | R_0805 | R33 |
6xUSB PowMet design files
The KiCad project lives in the aleksejm/6xUSB-Power-Meter repository on GitHub; these links point at the commit this page was built from.
6xUSB PowMet: common questions
What microcontroller does the 6xUSB PowMet use?
The 6xUSB PowMet is built around the ESP-12, from the ESP8266 family.
How big is the 6xUSB PowMet PCB?
The 6xUSB PowMet measures 92.3 × 69 mm, has 2 copper layers and is 1 mm thick.
How many components are on the 6xUSB PowMet?
161 components, from 72 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 6xUSB PowMet design files?
From the aleksejm/6xUSB-Power-Meter repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the 6xUSB PowMet design in my own project?
The repository has no license, so all rights stay with aleksejm. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the 6xUSB PowMet 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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