LED display controllers 1.support wireless GPRS,GSM,RF modem; 2.support temperature display; 3.support secondary development; LS-T1 LED display controllers SpecificationIndustrial PerformanceAdopt industrial Chips, low voltage to start, +5 V voltage reverse protection;DIP-chip to ensure more reliable communication, RS485 reverse protection, anti-static protection;Hardware watchdog to avoid the ...