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STD DIY 16x Discharger with Arduino Mega 2560 pro mini

DIY 16x Discharger with Arduino Mega 2560 pro mini

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License: Public Domain

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Update time: 2023-09-09 18:41:39
Creation time: 2020-08-17 12:44:11
Description

Description

Building 16x(I got only 15 PWM pins.. so 15x)18650 battery discharger. Without charging capabilities. Only concerned for testing batteries.I have copied some of brettwatty's design https://easyeda.com/brettwatty. You can use LM 324 replacing LM 358.
Design Drawing

Design Drawing

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ID Name Designator Footprint Quantity
1 LM358 U18,U1,U2,U3,U4,U5,U6,U7 DIP8 8
2 IRLZ44 Q32,Q2,Q1,Q3,Q4,Q5,Q6,Q7,Q8,Q9,Q10,Q11,Q12,Q13,Q14,Q15 TO-220AB 16
3 DS18B20+ U20,U19,U10,U8,U11,U12,U13,U14,U15,U16,U21,U22,U23,U24,U25,U26,U27 TO-92(TO-92-3) 17
4 4.7k R31 AXIAL-0.4 1
5 Rotary Encoder P9 ENCODER_KY-040 1
6 LCD 20x4 I2C P10 HDR-4X1/2.54 1
7 5V 10A PR9 WJ2EDGVC-5.08-2P 1
8 5.5 x 2.1mm VIN1 POWER DC 5.5 X 2.1 MM 1
9 MicroSDcard P11 MICRO SD CARD MODULE - BRETT 1
10 RX TX Serial P15 HDR-3X1/2.54 1
11 4.7k R32 R0603 1
12 1K R33 AXIAL-0.4 1
13 1K R34 R0603 1
14 10k R35,R54 R0603 2
15 10K R36,R53 AXIAL-0.4 2
16 Mega_2560_pro_mini U9 MEGA 2560 PRO MINI 1
17 100uF C1 CAP-D5.0XF2.0 1
18 CD74HC4067 P1 CD74HC4067 1
19 1N4007 D7 DO-41 1
20 ESP8266 ESP-01 Adapter for Arduino U17 ESP8266 ESP-01 ADAPTER FOR ARDUINO 1
21 1k R45,R16,R17,R18,R19,R20,R21,R22,R23,R24,R25,R26,R27,R28,R29,R30 RES-6.5MMX2.3MM-1/4W 16
22 1N4148WT D6 SOD-523 1
23 16PIN JP1,JP2 B16B-PH-K-S 2
24 BD139 Q33 TO-126 1
25 JST_2PIN FAN1 JST-PH-2-THM 1

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