User FranMartin

5 votes

3 answers

4k views

MCP73831: design a lithium battery charging circuit

asked Nov 17, 2017 at 10:26

3 votes

2 answers

1k views

MSP430G2553: measure the voltage of a non-rechargeable 3.6V battery

asked Aug 16, 2017 at 17:09

2 votes

2 answers

3k views

MSP430G2553: convert float to hex

asked Oct 8, 2017 at 19:03

2 votes

1 answer

328 views

Some questions about the RECOM RAC02-05SC AC/DC power supply converter

asked Dec 26, 2017 at 10:12

2 votes

1 answer

2k views

Shunt resistors and PCB layout

asked Nov 26, 2018 at 11:43

2 votes

1 answer

929 views

What exact header is this?

asked Jul 26, 2019 at 12:29

2 votes

1 answer

388 views

Solar LiPo battery charger: revision and improvement of the reverse voltage protection circuit for the battery

asked Sep 18, 2019 at 14:02

1 vote

0 answers

60 views

How to generate and/or improve this power distribution for these 4 subsystems?

asked Sep 12, 2018 at 13:31

1 vote

2 answers

170 views

Improve this schematic to guarantee 12V and 70 mA in the fan

asked May 14, 2018 at 8:48

1 vote

1 answer

2k views

DALI schematic: help to analize reception circuit and limited current supply

asked Jan 5, 2018 at 11:33

1 vote

2 answers

3k views

PWM to analog 1-10V converter: help to understand how it works

asked Jan 16, 2018 at 10:04

1 vote

1 answer

430 views

Testing a 24 V, 40 W LED lamp with constant-current LED driver

asked Feb 14, 2018 at 16:15

1 vote

1 answer

291 views

Is the isolation necessary in this circuit?

asked Mar 3, 2018 at 18:50

1 vote

3 answers

1k views

RS485: Where to connect the cable shield in a battery-powered system?

asked Oct 6, 2017 at 7:40

1 vote

1 answer

1k views

16x2 LCD connected to msp430g2553 launchpad by i2c: contrast issue

asked Jul 17, 2017 at 16:00

1 vote

1 answer

3k views

LCD 16x2: circuit to adjust the LCD backlight by a PWM signal

asked Jul 30, 2017 at 19:09

1 vote

0 answers

527 views

Debouncing circuit to count the pulses of a water meter with pulse emitter

asked Aug 13, 2017 at 17:55

0 votes

2 answers

714 views

Sigfox RF module TD1208R: design a 50 ohm microstrip line on a PCB (Proteus ARES)

asked Aug 20, 2017 at 16:11

0 votes

2 answers

359 views

MSP430G2553 and LDO ADP162: Is an external pull-down necessary?

asked Aug 30, 2017 at 16:38

0 votes

1 answer

659 views

Controlling a latching solenoid with the DRV8838: Is this PCB design correct? [closed]

asked Sep 18, 2017 at 17:33

0 votes

1 answer

1k views

AC/DC power supply: help to choose fuse, varistor and/or TVS diode

asked Mar 14, 2018 at 14:50

0 votes

1 answer

1k views

Design a Li-Po battery charger with small solar panel and charger controller with embedded MPPT

asked May 4, 2018 at 11:15

0 votes

1 answer

2k views

How to test the output current of a LED driver without a LED lamp?

asked Jan 31, 2018 at 8:37

0 votes

1 answer

1k views

DALI specification: help to understand the physical layer schematic

asked Jan 4, 2018 at 18:17

0 votes

2 answers

499 views

How (or what is the best way) to raise and / or separate an LED from the PCB?

asked May 21, 2018 at 9:31

0 votes

1 answer

820 views

How connect a open collector output to led and to GPIO?

asked May 31, 2018 at 14:12

0 votes

1 answer

130 views

Reverse voltage protection: what is the function of C8 in this schematic?

asked Aug 23, 2019 at 11:31

0 votes

0 answers

198 views

What is the ASBBA-001 battery connector (GoPro Fusion 360 camera)?

asked Apr 12, 2021 at 13:26

0 votes

1 answer

225 views

Add inrush current limiter to board for USB compliance

asked Aug 3, 2022 at 10:14

Stack Exchange Network

29 Questions

MCP73831: design a lithium battery charging circuit

MSP430G2553: measure the voltage of a non-rechargeable 3.6V battery

MSP430G2553: convert float to hex

Some questions about the RECOM RAC02-05SC AC/DC power supply converter

Shunt resistors and PCB layout

What exact header is this?

Solar LiPo battery charger: revision and improvement of the reverse voltage protection circuit for the battery

How to generate and/or improve this power distribution for these 4 subsystems?

Improve this schematic to guarantee 12V and 70 mA in the fan

DALI schematic: help to analize reception circuit and limited current supply

PWM to analog 1-10V converter: help to understand how it works

Testing a 24 V, 40 W LED lamp with constant-current LED driver

Is the isolation necessary in this circuit?

RS485: Where to connect the cable shield in a battery-powered system?

16x2 LCD connected to msp430g2553 launchpad by i2c: contrast issue

LCD 16x2: circuit to adjust the LCD backlight by a PWM signal

Debouncing circuit to count the pulses of a water meter with pulse emitter

Sigfox RF module TD1208R: design a 50 ohm microstrip line on a PCB (Proteus ARES)

MSP430G2553 and LDO ADP162: Is an external pull-down necessary?

Controlling a latching solenoid with the DRV8838: Is this PCB design correct? [closed]

AC/DC power supply: help to choose fuse, varistor and/or TVS diode

Design a Li-Po battery charger with small solar panel and charger controller with embedded MPPT

How to test the output current of a LED driver without a LED lamp?

DALI specification: help to understand the physical layer schematic

How (or what is the best way) to raise and / or separate an LED from the PCB?

How connect a open collector output to led and to GPIO?

Reverse voltage protection: what is the function of C8 in this schematic?

What is the ASBBA-001 battery connector (GoPro Fusion 360 camera)?

Add inrush current limiter to board for USB compliance