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SOT23-6 DIP adapter v2

SOT23-6 DIP adapter v2

Created by NStorm on 2018-07-27 07:41:02

2 Layer Board - 0.1240 sq in (0.4000in x 0.3100in) / 80 sq/mm (10.16mm x 7.87mm)
$0.50 per set of 4 ($4.00 per sq in)

SOT23-6 adapter / breakdown board
Variant 2

License: CC-BY 4.0

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SOT-23 DIP adapter

SOT-23 DIP adapter

Created by NStorm on 2018-07-27 07:32:05

2 Layer Board - 0.1521 sq in (0.3900in x 0.3900in) / 98.13 sq/mm (9.91mm x 9.91mm)
$0.61 per set of 4 ($4.00 per sq in)

SOT23-6 adapter / breakdown board

License: CC-BY 4.0

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EFM32TG222F32 Board

EFM32TG222F32 Board

Created by NStorm on 2018-05-02 11:39:56

2 Layer Board - 3.2361 sq in (1.6100in x 2.0100in) / 2087.8 sq/mm (40.89mm x 51.05mm)
$12.59 per set of 4 ($3.89 per sq in)

EFM32TG222F32-QFP48 Simple Dev Board

The schematics are based on the AN0002: Hardware Design Considerations standard decoupling. No advanced AVDD filtering applied. This board was designed without analog signal separated from digital part. So the analog part of this board might be noisy. I don't have analog parts in my project so this wasn't considered.

Vin goes through onboard optional LDO. Vcc are LDO output / directly applied to MCU.
Optional LDO (U3) are MIC5219-3.3BM5.
X1 are high freq oscillator. X2 are optional low freq oscillator.

Parts list (BOM):

C1,C2,CVDD,CAVDD,CIOVDD: 10uF, 0603
CVDD: 1uF, 0603
CVDD1,CIOVDD_0,CIOVDD_3,CIOVDD_5: 0.1uF, 0603
CAVDD_0,CAVDD_1: 10nF, 0603
C3,C4: 22pF, 0603
C4,C5: 33pF, 0603
C7: 470pF, 0402 (LCSC: C117605)
R1: 470 Ohm, 0402
R2,R3,R4,R5: 0 Ohm (can be soldered), 0402
R6: 10K Ohm, 0201
LED1: 0603 LED
U1: EFM32TG222F32-QFP48
U3: MIC5219-3.3BM5
X1: Quartz up to 32MHz HC49S (LCSC: C24625)
X2: Quartz 32kHz 2-SMD (LCSC: C182057)

License: CC-BY-SA 3.0
Tags: efm32, mcu

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SI705x/702x/7006 Minimal Board

SI705x/702x/7006 Minimal Board

Created by NStorm on 2017-06-27 14:57:01

2 Layer Board - 0.2397 sq in (0.5100in x 0.4700in) / 154.64 sq/mm (12.95mm x 11.94mm)
$0.96 per set of 4 ($4.00 per sq in)

Minimal breakout board for Silicon Labs SI705x/SI702x/Si7006 I2C temperature / temperature + humidity sensors.

This board does not includes any sort of voltage regulator. Make sure to supply correct Vcc (1.9 to 3.6 V) for this board. Connecting directly to 5V MCU (like Arduino without 3.3 V voltage regulators) will burn this sensor. This is a minimal circuit from "Typical Application Circuit" section from the datasheet.

Parts list (BOM):

R1-R2: Resistor, 10 k, ±5%, 1/16 W, 0603
C1: Capacitor, 0.1 μF, 16 V, X7R, 0603
U1: Si705x/702x/7006 sensor, DFN6.

Tested to work with Si7051 high accuracy temperature sensor, reading data with Arduino.

License: CC-BY-SA 3.0
Project URL: https://easyeda.com/NStorm/SI705x_Minimal_Breakout_Board_copy-8b5dbeb7044540c8a46320b8b4c4fd84
Tags: temperature, enviromental, sensor, silicon labs

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