ESP32-Connected Thermostat
Keep Your Wine at the Right Temperature!
Gerber file
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
Elektor recommends the Elektor PCB Service service from its business partner Eurocircuits or AISLER as the best services for its own prototypes and volume production.
The use of our Gerber files is provided under a modified Creative Commons license. Creative Commons offers authors, scientists, educators and other creatives the freedom to handle their copyright in a more free way without losing their ownership.
Components
The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
Want to learn more about our BOM list? Read the BOM list article for extra information.
Component list
Component List
[illustration 200497-011-94]
[illustration 200497-010-94]
Resistors (5%, 0.25W)
R9,R10 = 100 Ω, 1 W (see text)
R4,R5,R6,R8,R12,R13 = 1 k
R1,R11 = 4.7 k
R2,R3,R7,R14 = 10 k
Capacitors
C2,C3,C5,C6 = 100 n, 2.5 or 5 mm pitch
C4 = 100 n, X2, 15 mm pitch
C1 = 220 µ, 16 V, 3.5 mm pitch
Semiconductors
D1 = 1N4148
LED1,LED2 = LED, red, 3 mm
LED3, LED4 = LED, green, 3 mm
IC1 = FOD814, DIP4
T1,T2 = BC337
Miscellaneous
BUZ1 = Buzzer with oscillator, 6.5 or 7.6 mm pitch
F1 = Fuse holder, 5x20 mm + fuse 250 V, 1 A, slow
K1 = 2-way terminal block, 5 mm pitch
K2 = 3-way terminal block, 5 mm pitch
K3,K4 = 4-way terminal block, 3.5 mm pitch
K5,K6 = 18-way pin socket, 0.1" pitch (MOD1 only)
K7,K8 = 19-way pin socket, 0.1" pitch (MOD2 only)
K9,K10 = 4-way pin socket, 0.1" pitch, 20 mm height (MOD2 only)
K11 = 4-pin header, 2 mm pitch (Grove)
REL1 = Relay, 10 A, SPDT, 5VDC
VAR1 = Varistor 350 V
AC/DC1 = 5 V, 3 W, AC-DC converter (e.g. Multicomp MP-LDE03-20B05)
BOX1 = Enclosure, IP65, transparent cover (Multicomp MC001106)
MOD1 = Heltec WiFi Kit 32
or
MOD2 = ESP32 DevKitC + OLED display, I2C, 128x64 pixels
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