JLCPCB Component Availability Check
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Reviews
ESP32 RS485 (Modbus) Controller Module
Properties
$1.20
$0.50
ESP32-WROOM-32D and MAX3485ESA+ are both available as in-stock, pin-compatible alternates (LCSC Basic) for U2 and IC3 respectively, mitigating major supply risks. All generic passives are LCSC Basic except C5, which remains Extended due to the unavailability of a suitable Basic MPN and is annotated with a risk note—this poses a minor sourcing risk, but alternatives are possible. No other significant supply or compatibility risks identified in the BOM at the 1k-unit level.
{"U2": { "Basic": "$4.75", "Extended": "$4.00" }, "IC3": { "Basic": "$1.10", "Extended": "$1.00" }, "U1": { "Basic": "$0.50", "Extended": "$0.45" }, "R1": { "Basic": "$0.005", "Extended": "$0.004" }, "R2": { "Basic": "$0.0055", "Extended": "$0.0045" }, "R3": { "Basic": "$0.0055", "Extended": "$0.0045" }, "R4": { "Basic": "$0.006", "Extended": "$0.005" }, "R5": { "Basic": "$0.006", "Extended": "$0.005" }, "R6": { "Basic": "$0.007", "Extended": "$0.006" }, "R7": { "Basic": "$0.007", "Extended": "$0.006" }, "R8": { "Basic": "$0.005", "Extended": "$0.004" }, "R9": { "Basic": "$0.005", "Extended": "$0.004" }, "C1": { "Basic": "$0.008", "Extended": "$0.007" }, "C2": { "Basic": "$0.008", "Extended": "$0.007" }, "C3": { "Basic": "$0.015", "Extended": "$0.012" }, "C4": { "Basic": "$0.020", "Extended": "$0.018" }, "C6": { "Basic": "$0.008", "Extended": "$0.007" }, "C8": { "Basic": "$0.020", "Extended": "$0.018" }, "C9": { "Basic": "$0.030", "Extended": "$0.025" }, "C10": { "Basic": "$0.008", "Extended": "$0.007" }, "C11": { "Basic": "$0.010", "Extended": "$0.009" }, "C12": { "Basic": "$0.010", "Extended": "$0.009" }, "D1": { "Basic": "$0.12", "Extended": "$0.10" }, "D2": { "Basic": "$0.20", "Extended": "$0.18" }, "D3": { "Basic": "$0.40", "Extended": "$0.35" }, "Q1": { "Basic": "$0.05", "Extended": "$0.04" }, "Q2": { "Basic": "$0.05", "Extended": "$0.04" }, "USB1": { "Basic": "$1.50", "Extended": "$1.30" }, "PWR": { "Basic": "$0.10", "Extended": "$0.08" }, "TERM": { "Basic": "$0.02", "Extended": "$0.02" }, "A RS485 B": { "Basic": "$0.25", "Extended": "$0.20" }}
$11.90
$10.20
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $7.67–$8.13 |
Digi-Key | $19.47–$30.16 |
LCSC | $8.71–$9.57 |
Mouser | $18.55 |
TME | $1.91 |
Verical | $3.91–$110.70 |
Controls
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