Setting up AdGuard Home clients. Please help

Installing and Using OpenWrt
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uci -q delete dhcp.@dnsmasq[0].server
uci add_list dhcp.@dnsmasq[0].server="127.0.0.1#5553"
uci set dhcp.@dnsmasq[0].noresolv="1"
uci commit dhcp
/etc/init.d/dnsmasq restart

See also: [HowTo] Running Adguard Home on OpenWrt